Rolling back patches does major damage though.
I do my saves by cycling through my last four.
When Larian rolled back that patch, I lost all four of my cycling saves - and about 6 hours progress.
In my 30 years of game play, I never had something like that happen before. And I hope to never see it again.
Fortunately - BG3 is good enough that I really did not mind (much) replaying those six hours.